using Aucma.Scada.Model.domain;
using HighWayIot.Config;
using HighWayIot.Log4net;
using HighWayIot.Plc;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace Aucma.Scada.Business
{
    /// <summary>
    /// 入库任务处理
    /// </summary>
    internal sealed class InStoreTaskHandle
    {
        #region 单例实现
        private static readonly Lazy<InStoreTaskHandle> lazy = new Lazy<InStoreTaskHandle>(() => new InStoreTaskHandle());
        public static InStoreTaskHandle Instance
        {
            get
            {
                return lazy.Value;
            }
        }
        #endregion

        #region 对象引用
        private LogHelper logHelper = LogHelper.Instance;

        private AppConfig appConfig = AppConfig.Instance;

        private PlcConfig plcConfig = PlcConfig.Instance;

        private PlcPool _pool = PlcPool.Instance;

        private PlcSpaceConfig spaceConfig = PlcSpaceConfig.Instance;
        #endregion

        #region 私有变量
        private Dictionary<string, IPlc> _plcDictionary = new Dictionary<string, IPlc>();
        private Dictionary<string, int> foamRearKeyValuePairs = new Dictionary<string, int>();

        /// <summary>
        /// 泡后任务编号,PLC反馈后进行赋值
        /// </summary>
        private string foamTaskCode = string.Empty;

        /// <summary>
        /// 已下传的任务信息
        /// </summary>
        private List<RealTaskInfo> foamRearTaskInfos = new List<RealTaskInfo>();

        #endregion

        #region 委托事件
        /// <summary>
        /// 入库完成
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="taskCode"></param>
        public delegate void InStoreFinsih(string storeCode, string taskCode);
        public event InStoreFinsih InStoreFinsihEvent;

        /// <summary>
        /// 入库应答，PLC收到下发的入库任务后进行应答
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="taskCode"></param>
        public delegate void InStoreAnswer(string storeCode, string taskCode);
        public event InStoreAnswer InStoreAnswerEvent;
        #endregion

        private InStoreTaskHandle()
        {
            _plcDictionary = _pool.GetAll();

            RealReadPlcSpace();
        }

        #region 泡后入库任务下发处理
        public bool SendFoamTask_InStore(RealTaskInfo taskInfo)
        {
            bool result = false;
            try
            {
                IPlc _plc = _plcDictionary[appConfig.foamStoreCode];

                if (_plc != null)
                {
                    if (_plc.IsConnected)
                    {
                        //写入货道号
                        _plc.writeStringByAddress(plcConfig.in_foam_spaceCode, taskInfo.spaceCode);
                        //写入应答字
                        _plc.writeInt32ByAddress(plcConfig.in_foam_answer, 1);
                        //写入任务号
                        _plc.writeStringByAddress(plcConfig.in_foam_task, taskInfo.taskCode);

                        //写入完成后读取应答字进行复位
                        ReadShellAnswer_InStore(taskInfo);

                        result = true;
                    }
                    else
                    {
                        logHelper.Info($"仓库{taskInfo.storeCode}；PLC未连接");
                    }
                }
                else
                {
                    logHelper.Info($"PLC信息为空，通过{taskInfo.storeCode}未获取到该仓库对应的PLC信息");
                }
            }
            catch (Exception ex)
            {
                logHelper.Error("泡后入库任务下发异常", ex);
            }

            return result;
        }

        /// <summary>
        /// 读取泡后入库应答
        /// </summary>
        private void ReadShellAnswer_InStore(RealTaskInfo taskInfo)
        {
            lock (string.Empty)
            {
                bool isFlag = true;
                IPlc _plc = _plcDictionary[appConfig.foamStoreCode];
                try
                {
                    Task.Run(() =>
                    {
                        if (_plc != null)
                        {
                            if (_plc.IsConnected)
                            {
                                do
                                {
                                    //读取PLC应答字为2时，上位机清空写入的入库内容
                                    if (_plc.readInt32ByAddress(plcConfig.in_foam_answer) == 2)
                                    {
                                        //写入货道号
                                        _plc.writeStringByAddress(plcConfig.in_foam_spaceCode, string.Empty);
                                        //写入应答字
                                        _plc.writeInt32ByAddress(plcConfig.in_foam_answer, 0);
                                        //写入任务号
                                        _plc.writeStringByAddress(plcConfig.in_foam_task, string.Empty);
                                        isFlag = false;

                                        WritePlc(taskInfo.storeCode, taskInfo.spaceCode, false);

                                        //ReadShellFinish_InStore(taskCode);
                                        InStoreAnswerEvent?.Invoke(appConfig.foamStoreCode, taskInfo.taskCode);

                                        foamRearTaskInfos.Add(taskInfo);
                                    }

                                    Thread.Sleep(1000);
                                } while (isFlag);
                            }
                            else
                            {
                                logHelper.Info($"仓库{appConfig.foamStoreCode}；PLC未连接");
                            }
                        }
                        else
                        {
                            logHelper.Info($"PLC信息为空，通过{appConfig.foamStoreCode}未获取到该仓库对应的PLC信息");
                        }
                    });
                }
                catch (Exception ex)
                {
                    logHelper.Error("读取泡后入库应答字异常", ex);
                }
            }
        }

        #endregion


        #region 读取PLC入库完成 Delete By Wenjy 2023-11-08 15:05:00，经讨论入库完成改为监测在途数量变化
        /// <summary>
        /// 读取泡后入库完成
        /// </summary>
        //private void ReadShellFinish_InStore(string taskCode)
        //{
        //    lock (string.Empty)
        //    {
        //        bool isFlag = true;
        //        IPlc _plc = _plcDictionary[appConfig.foamStoreCode];
        //        foamTaskCode = taskCode;
        //        try
        //        {
        //            Task.Run(() =>
        //            {
        //                if (_plc != null)
        //                {
        //                    if (_plc.IsConnected)
        //                    {
        //                        do
        //                        {
        //                            //读取PLC入库任务完成
        //                            if (_plc.readInt32ByAddress(plcConfig.in_foam_finish) == 1)
        //                            {
        //                                _plc.writeInt32ByAddress(plcConfig.in_foam_finish, 0);

        //                                //string taskCode = _plc.readStringByAddress(plcConfig.out_foam_task, 10);

        //                                InStoreFinsihEvent?.Invoke(taskCode);

        //                                isFlag = false;
        //                            }

        //                            Thread.Sleep(1000);
        //                        } while (isFlag);
        //                    }
        //                    else
        //                    {
        //                        logHelper.Info($"仓库{appConfig.foamStoreCode}；PLC未连接");
        //                    }
        //                }
        //                else
        //                {
        //                    logHelper.Info($"PLC信息为空，通过{appConfig.foamStoreCode}未获取到该仓库对应的PLC信息");
        //                }
        //            });
        //        }
        //        catch (Exception ex)
        //        {
        //            logHelper.Error("读取泡后入库完成异常", ex);
        //        }
        //    }
        //}
        #endregion


        #region 监测PLC在途数量变化，完成入库任务

        private void RealReadPlcSpace()
        {
            Thread.Sleep(5000);
            Task.Run(() =>
            {
                while (true)
                {
                    RealReadShellPlcSpace();

                    Thread.Sleep(500);
                }
            });

        }

        /// <summary>
        /// 读取箱壳已下发任务的货道信息，读取后将货道编号及在途数量写入Dictionary进行比较，在途数减少则入库完成
        /// </summary>
        private void RealReadShellPlcSpace()
        {
            if (foamRearTaskInfos != null)
            {
                List<string> spaceCodes = foamRearTaskInfos.Select(x => x.spaceCode).Distinct().ToList();

                for (int i = 0; i < spaceCodes.Count; i++)
                {

                    string spaceCode = spaceCodes[i];

                    BaseSpaceInfo spaceInfo = new BaseSpaceInfo() { storeCode = appConfig.foamStoreCode, spaceCode = spaceCode };

                    spaceInfo = ReadSpaceInfoByPlc(spaceInfo);

                    if (foamRearKeyValuePairs.ContainsKey(spaceInfo.spaceCode))
                    {
                        foamRearKeyValuePairs.TryGetValue(spaceInfo.spaceCode, out int value);
                        //判断前次读取的数据和当前数据，如果前次数据大于当前数据则代表入库完成，然后筛选任务中对应货道的首个任务进行完成
                        //如果前次数据不大于当前数据则更新字典中存放的数据
                        if (value > spaceInfo.onRouteAmount)
                        {
                            //筛选任务
                            var list = foamRearTaskInfos.Where(x => x.spaceCode == spaceInfo.spaceCode).ToList();
                            if (list.Count > 0)
                            {
                                RealTaskInfo taskInfo = list.OrderBy(x => x.createTime).First();

                                InStoreFinsihEvent?.Invoke(taskInfo.storeCode, taskInfo.taskCode);

                                foamRearTaskInfos.Remove(taskInfo);
                            }
                            foamRearKeyValuePairs.Remove(spaceInfo.spaceCode);
                        }
                        else
                        {
                            foamRearKeyValuePairs[spaceInfo.spaceCode] = spaceInfo.onRouteAmount;
                        }

                    }
                    else
                    {
                        foamRearKeyValuePairs.Add(spaceInfo.spaceCode, spaceInfo.onRouteAmount);
                    }
                }

            }
        }
        #endregion


        /// <summary>
        /// 通过PLC获取货道信息
        /// </summary>
        /// <param name="spaceInfo"></param>
        /// <returns></returns>
        public BaseSpaceInfo ReadSpaceInfoByPlc(BaseSpaceInfo spaceInfo)
        {
            var spaceAddress = spaceConfig.GetSpaceAddress(spaceInfo.storeCode, spaceInfo.spaceCode);
            IPlc _plc = _plcDictionary[spaceInfo.storeCode];

            if (_plc != null)
            {
                if (_plc.IsConnected)
                {
                    spaceInfo.spaceStock = _plc.readInt32ByAddress(spaceAddress.onStore);
                    spaceInfo.onRouteAmount = _plc.readInt32ByAddress(spaceAddress.onRoute);
                    spaceInfo.spaceStatus = _plc.readInt32ByAddress(spaceAddress.spaceStatus);
                }
            }

            return spaceInfo;
        }

        /// <summary>
        /// 测试方法，联调时不用
        /// </summary>
        /// <param name="storeCode"></param>
        /// <param name="spaceCode"></param>
        /// <param name="flag"></param>
        public void WritePlc(string storeCode, string spaceCode, bool flag)
        {
            var spaceAddress = spaceConfig.GetSpaceAddress(storeCode, spaceCode);
            IPlc _plc = _plcDictionary[storeCode];

            if (_plc != null)
            {
                if (_plc.IsConnected)
                {
                    var spaceStock = _plc.readInt32ByAddress(spaceAddress.onStore);
                    var onRouteAmount = _plc.readInt32ByAddress(spaceAddress.onRoute);

                    if (flag)
                    {
                        _plc.writeInt32ByAddress(spaceAddress.onStore, spaceStock + 1);
                        //_plc.writeInt32ByAddress(spaceAddress.onRoute, onRouteAmount - 1);
                    }
                    else
                    {
                        _plc.writeInt32ByAddress(spaceAddress.onRoute, onRouteAmount + 1);
                    }

                }
            }

        }
    }
}